A popular UFO-reporting app has been making waves after reportedly recording tens of thousands of mysterious underwater objects up and down the United States’ coastlines, raising eyebrows and leaving ...

Is science fiction a literature of ideas, or of characters? Works that focus on the former often neglect the latter, and vice versa. It's very difficult to examine complex abstractions and ...

An encouragement for invention was written right into the Constitution, and whatever the task at hand, someone is always up for the challenge America's 250th Anniversary The Gunboat ‘Philadelphia’ ...

From a single gold coin's journey through the centuries, to an ingenious screw that changed engineering, the extraordinary stories behind 100 of the most significant and intriguing artefacts in US ...

Symmetry is when one side of a shape is a mirror image of the other side. Lots of buildings and everyday objects use symmetry because it looks appealing to the human eye. But, if you step outside, ...

A lever is a simple mechanism that uses a bar to pivot around a fixed point called a fulcrum. Levers can be joined together to form linkages. Simple linkages can be used to change the direction of ...